<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>搜索</title>
</head>
<body>
<div class="form-group">
    <form action="">
        <input type="text" name="search">
        <button type="submit">提交</button>
    </form>
</div>
</body>
</html>